The "flying squirrel" is: grabbing ones testicle bag with the tips of ones fingers (both hands), and stretching the skin into the opposite dirrections. This should resemble a flying squirrel. Your "flying squirrel" is best displayed for people when tightly pressed against a glass window or door typically found in computer labs or a lobby of a public building where there is lots of glass pannels.

Stretching your scrotum and balls over a person's face, and laying your penis on their forehead, resembling a flying squirrel with its arms spread. Done properly, this will cover the person's mouth and nose completely. To create a good suction, make sure your balls are warm before proceeding. Injury can occur if the person was sleeping and wakes up being suffocated by your massive nuts and sac.

"Dude, Candace passed out so I gave her a flyng squirrel. She woke up totally choking on my sac!"

A penis trick where the erect penis is tucked firmly between the legs far back into the ass-crack in a spring loaded position. The legs are then opened with a flourish and depending on the turgidity of the member, a satisfying slap is heard against the belly.